A03:2025: Software Supply Chain Failures
Expansion of A06:2021 (Vulnerable and Outdated Components) to cover compromises across the entire ecosystem of software dependencies, build systems, and distribution infrastructure.
How it's found
Detected by inspecting dependency manifests, lockfiles, and build pipelines for known-vulnerable or tampered packages, cross-referenced against public CVE feeds.
Standards mapping
- References
- https://owasp.org/Top10/2025/
Where this fits in a TurboPentest engagement
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
Frequently asked questions
What is A03:2025 Software Supply Chain Failures?
Expansion of A06:2021 (Vulnerable and Outdated Components) to cover compromises across the entire ecosystem of software dependencies, build systems, and distribution infrastructure.
How do you find Software Supply Chain Failures?
Detected by inspecting dependency manifests, lockfiles, and build pipelines for known-vulnerable or tampered packages, cross-referenced against public CVE feeds.
Which CWEs map to A03:2025?
A03:2025 maps to CWE-1104, CWE-1357, CWE-829.
Does TurboPentest test for Software Supply Chain Failures?
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
Related OWASP categories
- OWASP Top 10 (Web)A01:2025: Broken Access Control
- OWASP Top 10 (Web)A02:2025: Security Misconfiguration
- OWASP Top 10 (Web)A04:2025: Cryptographic Failures
- OWASP Top 10 (Web)A05:2025: Injection
- OWASP Top 10 (Web)A06:2025: Insecure Design
- OWASP Top 10 (Web)A07:2025: Identification and Authentication Failures
Written and reviewed by
Michel Chamberland - Founder & CEO, IntegSec
CISSP, OSCP, OSCE, CEH, GIAC, CCSK · 20+ years in offensive security
Michel has spent 20+ years on offensive security teams including IBM X-Force Red and Trustwave SpiderLabs, leading penetration tests, red team engagements, and breach response for Fortune 500 customers. He is the founder of IntegSec and the architect of TurboPentest.
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